title: Was Watson and Crick's model truly self-evident?
mesh_terms: D018360:Crystallography, X-Ray / Q000266:history*; D004247:DNA / Q000737:chemistry* / Q000266:history*; D049673:History, 20th Century; D008958:Models, Molecular; D009690:Nucleic Acid Conformation; D015203:Reproducibility of Results
chemical_list: D004247:DNA